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J Fluoresc. 2015 Nov;25(6):1559-66. doi: 10.1007/s10895-015-1637-7. Epub 2015 Sep 7.

A Successful Attempt to Obtain the Linear Dependence Between One-Photon and Two-Photon Spectral Properties and Hammett Parameters of Various Aromatic Substituents in New π-Extended Asymmetric Organic Chromophores.

Author information

1
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China.
2
School of Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550003, Guizhou, China.
3
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China. zpluo@126.com.
4
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China. hongruli1972@gmail.com.
5
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China. fanggao1971@gmail.com.

Abstract

A series of new asymmetric chromophores containing aromatic substituents and possessing the excellent π-extension in space were prepared through multi-steps routes. One-photon and two-photon spectral properties of these new chromophores could be tuned by these substituents finely and simultaneously. The linear correlation of the wave numbers of the one-photon absorption and emission maxima to Hammett parameters of these substituents was presented. Near infrared two-photon absorption emission integrated areas of the target chromophores were correlated linearly to Hammett constants of these substituted groups.

KEYWORDS:

Hammett parameter; One-photon and two-photon spectra; Organic chromophore

PMID:
26344376
DOI:
10.1007/s10895-015-1637-7
[Indexed for MEDLINE]

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